What is the average American woman’s risk of being diagnosed with breast cancer at different ages? Many women are more interested in the risk of being diagnosed with breast cancer at specific ages or over specific time periods than in the risk of being diagnosed at some point during their lifetime.
Dec 20, 2018 · The term “risk” is used to refer to a number or percentage that describes how likely a certain event is to occur. When we talk about factors that can increase or decrease the risk of developing breast cancer, either for the first time or as a recurrence, we often talk about two different types of risk: absolute risk and relative risk. Absolute risk.
Age is a well-established risk factor for breast cancer. Breast cancer in women. The older a woman is, the more likely she is to get breast cancer. Rates of breast cancer are low in women under 40. Fewer than 5 percent of women diagnosed with breast cancer in the U.S. are younger than 40.